85020085 Volvo FH Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. By maintaining steady thermal management, it prevents engine overheating and ensures the longevity of heavy-duty components under demanding operational conditions.

Vehicle and engine compatibility

This part is specifically engineered for fitment in Volvo FH III, FH, and FH II series vehicles. It is compatible with various configurations including 420, 440, 460, 480, 500, 520, and 540 variants across both standard and LNG engine models. This ensures reliable performance across a wide range of heavy commercial vehicle applications.

Installation and maintenance

For professional workshop technicians, we recommend inspecting the pump during routine belt service. When replacing the unit, it is advisable to check the integrity of associated hoses and seals to prevent future coolant leaks or pressure drops within the cooling circuit.

Troubleshooting and selection

Maintaining the cooling system with high-strength components helps prevent common failure indicators such as bearing noise or weep hole leakage. Consult your authorized distributor for compatibility details.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85020085.